Answer:
The correct statements are C The pH is accurate but the solution will have excess salt. D The pH is accurate but the concentration of Tris will be incorrect
Explanation:
As the pH is finally maintained at 7 the pH for the buffer solution will be accurate but excess salt will be produced due to use of Both NaOH and HCl to make up the to 7.
As more volume of water is required at final step to make up the volume the concentration of tris will be incorrect.
Mass is the amount of matter in any object.
An educated guess is the best way to describe hypothesis
<span>The correct answer is C. The Fed lowers interest rates several months into a recession. It's a lag because they could've done it sooner and helped with the recession sooner but decided not to and thus they created a lag in monetary policy of a federation. It's like if the congress refused to help with the recession for no reason for a few months.</span>
